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Other Objects

CSSStyleDeclaration

ondurationchange Event

Example

Execute a JavaScript when the duration of a video has changed:

<video ondurationchange="myFunction()">

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More "Try it Yourself" examples below.

Definition and Usage

The ondurationchange event occurs when the duration of the audio/video is changed.

Note: When the audio/video is loaded, the duration will change from "NaN" to the actual duration of the audio/video.

During the loading process of an audio/video, the following events occur, in this order:

Browser Support

The numbers in the table specify the first browser version that fully supports the event.

Event
ondurationchange	Yes	9.0	Yes	Yes	Yes

Syntax

In HTML:

<element ondurationchange="myScript">

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In JavaScript:

object.ondurationchange=function(){myScript};

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In JavaScript, using the addEventListener() method:

object.addEventListener("durationchange", myScript);

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Note: The addEventListener() method is not supported in Internet Explorer 8 and earlier versions.

Technical Details

Bubbles:	No
Cancelable:	No
Event type:	Event
Supported HTML tags:	<audio> and <video>
DOM Version:	Level 3 Events

More Examples

Example

Execute a JavaScript when the audio is starting to load:

<audio ondurationchange="myFunction()">

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